is CNG flammable?

It is flammable when CNG is released and combines with air, and when the gas content of the compound is between 5 and 15 percent. When the gas content is less than 5 or more than 15%, it disappears quickly and is not flammable.in general, this fuel is more secure than gasoline. In our country, CNG-containing capsules are usually installed in the rear of the car, the drivers of these cars should be more careful while driving to avoid severe collisions that may lead to severe impact to the tank and explosion. Any repair of these tanks should not be done by experts.